20121190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{773}}^1$

素因数の和:936

約数の個数: 32

約数和(自身を含む): 38452320

約数和(自身を除く): 18331130

約数列:

[1, 2, 5, 10, 19, 38, 95, 137, 190, 274, 685, 773, 1370, 1546, 2603, 3865, 5206, 7730, 13015, 14687, 26030, 29374, 73435, 105901, 146870, 211802, 529505, 1059010, 2012119, 4024238, 10060595, 20121190]

約数ペア:

[(1, 20121190), (2, 10060595), (5, 4024238), (10, 2012119), (19, 1059010), (38, 529505), (95, 211802), (137, 146870), (190, 105901), (274, 73435), (685, 29374), (773, 26030), (1370, 14687), (1546, 13015), (2603, 7730), (3865, 5206)]